Browsing by Author "Kusogu, IM"

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    Wear behavior of flame-sprayed Al2O3-TiO2 coatings on plain carbon steel substrates
    Kusogu, IM; Celik, E; Cetinel, H; Ozdemir, I; Demirkurt, O; Onel, K
    In this study, Al2O3-TiO2 powders were sprayed using a flame-spray technique after a NiCrMo bond layer was deposited on plain carbon steel substrate. The produced layers were characterized by X-ray diffraction (XRD), optical microscope, scanning electron microscope (SEM) including energy-dispersive spectroscopy (EDS), surface roughness and microhardness tester. Friction and wear behaviour of the coatings were also evaluated in the present study. The Al2O3-TiO2 coatings were subjected to sliding wear against AISI 303 stainless steel counter body under dry and acidic environments. A pin-on-plate type apparatus was used with normal loads in the range of 49-129 N. Wear resistance of the coatings in acid environment is better than that in dry conditions. (c) 2005 Elsevier B.V. All rights reserved.